| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 48.7 | 55.0 | 61.3 | 69.6 | 78.2 | 87.9 | 89.5 | 86.9 | 81.7 | 71.3 | 58.4 | 48.9 | 69.8 |
| Highest Mean Max. Temperature (F) | 58.2 | 61.3 | 72.6 | 77.2 | 84.9 | 94.6 | 95.1 | 90.8 | 86.1 | 76.2 | 66.9 | 57.2 | 95.1 |
| Year Highest Occurred | 1986 | 1976 | 1972 | 1989 | 2000 | 1974 | 1971 | 1980 | 2000 | 1973 | 1999 | 1977 | 1971 |
| Lowest Mean Max. Temperature (F) | 39.7 | 49.2 | 54.2 | 63.2 | 72.8 | 84.2 | 85.0 | 83.2 | 76.1 | 63.4 | 50.4 | 38.8 | 38.8 |
| Year Lowest Occurred | 1992 | 1985 | 1973 | 1998 | 1979 | 1979 | 1986 | 1987 | 1996 | 1984 | 2000 | 1992 | 1992 |
| Mean Temperature (F) | 34.1 | 39.1 | 45.2 | 51.8 | 60.5 | 69.6 | 73.8 | 71.7 | 65.6 | 54.5 | 42.3 | 34.0 | 53.5 |
| Highest Mean Temperature (F) | 38.6 | 44.1 | 51.8 | 58.3 | 67.4 | 75.0 | 76.7 | 74.4 | 69.5 | 58.5 | 46.8 | 41.2 | 76.7 |
| Year Highest Occurred | 1978 | 1995 | 1972 | 1989 | 1984 | 1974 | 1996 | 1995 | 1998 | 1988 | 1999 | 1977 | 1996 |
| Lowest Mean Temperature (F) | 28.5 | 34.3 | 40.5 | 45.9 | 56.7 | 66.6 | 71.4 | 69.4 | 60.5 | 49.3 | 36.1 | 26.3 | 26.3 |
| Year Lowest Occurred | 1992 | 1985 | 1977 | 1983 | 1980 | 1991 | 1987 | 1987 | 1986 | 1984 | 2000 | 1990 | 1990 |
| Mean Min. Temperature (F) | 19.5 | 23.1 | 29.0 | 33.9 | 42.8 | 51.2 | 58.1 | 56.4 | 49.5 | 37.6 | 26.2 | 19.1 | 37.2 |
| Highest Mean Min. Temperature (F) | 25.5 | 28.8 | 35.7 | 39.3 | 50.2 | 55.9 | 61.6 | 59.8 | 53.3 | 43.3 | 31.6 | 25.2 | 61.6 |
| Year Highest Occurred | 1993 | 1996 | 1982 | 1989 | 1984 | 1981 | 1996 | 1994 | 1998 | 1972 | 1978 | 1977 | 1996 |
| Lowest Mean Min. Temperature (F) | 12.0 | 14.3 | 23.6 | 28.4 | 37.9 | 47.5 | 54.5 | 54.2 | 43.3 | 31.5 | 21.7 | 12.5 | 12.0 |
| Year Lowest Occurred | 1971 | 1984 | 1977 | 1983 | 1980 | 1995 | 1987 | 1976 | 1986 | 1986 | 1980 | 1990 | 1971 |
| Mean Precipitation (in.) | 0.75 | 0.56 | 0.76 | 0.45 | 0.46 | 0.49 | 1.72 | 2.33 | 1.42 | 1.17 | 0.66 | 0.70 | 11.47 |
| Highest Precipitation (in.) | 3.28 | 1.72 | 2.55 | 2.23 | 2.61 | 3.78 | 4.03 | 8.06 | 4.83 | 3.93 | 2.00 | 2.15 | 8.06 |
| Year Highest Occurred | 1993 | 1980 | 1978 | 1988 | 1992 | 1972 | 1999 | 1984 | 1996 | 1974 | 1986 | 1992 | 1984 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1999 | 1999 | 1999 | 1996 | 2000 | 1999 | 1993 | 1996 | 1998 | 1999 | 1999 | 1993 | 1999 |
| Heating Degree Days (F) | 958. | 727. | 615. | 400. | 180. | 25. | 0. | 1. | 60. | 334. | 681. | 961. | 4942. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 2. | 40. | 161. | 272. | 208. | 78. | 6. | 0. | 0. | 767. |